EP3004577A1 - Système d'échappement pour moteur à combustion interne et procédé permettant de faire fonctionner le système d'échappement - Google Patents

Système d'échappement pour moteur à combustion interne et procédé permettant de faire fonctionner le système d'échappement

Info

Publication number
EP3004577A1
EP3004577A1 EP14719765.1A EP14719765A EP3004577A1 EP 3004577 A1 EP3004577 A1 EP 3004577A1 EP 14719765 A EP14719765 A EP 14719765A EP 3004577 A1 EP3004577 A1 EP 3004577A1
Authority
EP
European Patent Office
Prior art keywords
exhaust
exhaust gas
exhaust system
internal combustion
combustion engine
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP14719765.1A
Other languages
German (de)
English (en)
Other versions
EP3004577B1 (fr
Inventor
Rainer Drees
Christian Eichmüller
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Bayerische Motoren Werke AG
Original Assignee
Bayerische Motoren Werke AG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Bayerische Motoren Werke AG filed Critical Bayerische Motoren Werke AG
Publication of EP3004577A1 publication Critical patent/EP3004577A1/fr
Application granted granted Critical
Publication of EP3004577B1 publication Critical patent/EP3004577B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N13/00—Exhaust or silencing apparatus characterised by constructional features ; Exhaust or silencing apparatus, or parts thereof, having pertinent characteristics not provided for in, or of interest apart from, groups F01N1/00 - F01N5/00, F01N9/00, F01N11/00
    • F01N13/04—Exhaust or silencing apparatus characterised by constructional features ; Exhaust or silencing apparatus, or parts thereof, having pertinent characteristics not provided for in, or of interest apart from, groups F01N1/00 - F01N5/00, F01N9/00, F01N11/00 having two or more silencers in parallel, e.g. having interconnections for multi-cylinder engines
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N1/00—Silencing apparatus characterised by method of silencing
    • F01N1/02—Silencing apparatus characterised by method of silencing by using resonance
    • F01N1/023—Helmholtz resonators
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N1/00—Silencing apparatus characterised by method of silencing
    • F01N1/02—Silencing apparatus characterised by method of silencing by using resonance
    • F01N1/026—Annular resonance chambers arranged concentrically to an exhaust passage and communicating with it, e.g. via at least one opening in the exhaust passage
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N1/00—Silencing apparatus characterised by method of silencing
    • F01N1/16—Silencing apparatus characterised by method of silencing by using movable parts
    • F01N1/166—Silencing apparatus characterised by method of silencing by using movable parts for changing gas flow path through the silencer or for adjusting the dimensions of a chamber or a pipe
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N1/00—Silencing apparatus characterised by method of silencing
    • F01N1/16—Silencing apparatus characterised by method of silencing by using movable parts
    • F01N1/168—Silencing apparatus characterised by method of silencing by using movable parts for controlling or modifying silencing characteristics only
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N13/00—Exhaust or silencing apparatus characterised by constructional features ; Exhaust or silencing apparatus, or parts thereof, having pertinent characteristics not provided for in, or of interest apart from, groups F01N1/00 - F01N5/00, F01N9/00, F01N11/00
    • F01N13/02—Exhaust or silencing apparatus characterised by constructional features ; Exhaust or silencing apparatus, or parts thereof, having pertinent characteristics not provided for in, or of interest apart from, groups F01N1/00 - F01N5/00, F01N9/00, F01N11/00 having two or more separate silencers in series
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N2240/00—Combination or association of two or more different exhaust treating devices, or of at least one such device with an auxiliary device, not covered by indexing codes F01N2230/00 or F01N2250/00, one of the devices being
    • F01N2240/36—Combination or association of two or more different exhaust treating devices, or of at least one such device with an auxiliary device, not covered by indexing codes F01N2230/00 or F01N2250/00, one of the devices being an exhaust flap

Definitions

  • the invention relates to an exhaust system for an internal combustion engine with the features of the preamble of patent claim 1 and method for operating the exhaust system according to the features of the claims 5 to 7.
  • an exhaust system of an internal combustion engine is known with a first cylinder group of the internal combustion engine associated first exhaust system and with a second cylinder group of the internal combustion engine associated second exhaust system.
  • Each exhaust gas line has in each case an exhaust gas purification device and a first exhaust silencer arranged downstream of the respective exhaust gas purification device, and a second silencer arranged downstream of the respective first silencer and an exhaust gas end pipe arranged downstream of the respective second silencer.
  • a disadvantage of this known prior art is the fact that the damping resonator of the muffler is not variably adjustable.
  • Further mufflers for exhaust systems are generally known from the prior art, which operate on the absorption and / or reflection principle.
  • the development of such a muffler usually means finding the best possible compromise between muzzle noise (volume after the tailpipe tailpipe), exhaust back pressure and required muffler volume.
  • silencer with one or more movable closure elements or shut-off devices, such as an exhaust flap, executed to allow different flow paths in the exhaust pipe of the silencer system.
  • two, three or even four exhaust system tailpipes are often provided.
  • the arrangement of the closure elements disadvantageously leads to the fact that, depending on the position of the closure element, it is no longer possible to flow exhaust gas through all the exhaust system tailpipes or tailpipe branching elements.
  • Object of the present invention is to avoid the disadvantages mentioned above and at the same time introduce a variability in the damping properties of the silencer system.
  • the inventive design of the exhaust system has a structure advantageous with respect to the exhaust backpressure. Due to the construction according to the invention, one or both shut-off valves can also be closed at the same time without a substantial increase in the exhaust backpressure. Compared with conventional exhaust systems exists with open shut-off devices, such. B. exhaust valves a minimum or hardly measurable throttling (increase in the exhaust backpressure), since the entire exhaust and damping tube volume is used to the end of the exhaust system. By a slightly different structure, the shut-off valves can also be shifted in time to improve a subjective hearing impression during the switching phase. By staggered switching the two shut-off devices can be reduced to conspicuous acoustic level jumps in an advantageous manner.
  • the very low exhaust back pressure of the exhaust system due to the inventive design has a very positive effect.
  • the volumes of the first silencer and the second silencer can also be subsequently changed.
  • one or more possibly necessary resonators without much effort while maintaining the symmetry in a simple manner be integrated into the exhaust system.
  • the silencer can also be constructed very favorably.
  • the silencer housing can be implemented, for example, as a cost-effective coil damper or shell construction.
  • the two side parts can be designed as a common part.
  • the upper and lower shell can each be made as a common part.
  • the exhaust pipes (FIG. 1, region a) can be manufactured and installed as equal components.
  • the Y-branch elements of the exhaust pipes to the damping tubes can be implemented, for example, as an IHU molding (hydroforming). It can thus be used as a common part before and after the obturator and on both sides of the muffler.
  • damping tubes with perforation which are guided through the muffler (Fig. 1, area d), are also implemented as equal parts. If a resonator is required, the required partitions for both sides can also be implemented as a common part.
  • the identical mounting device can be used for the pre-assembly of the Y-branch elements and the shut-off devices for both sides of the exhaust system.
  • FIG. 1 shows schematically an exhaust system according to the invention.
  • Fig. 2 shows the exhaust system according to the invention with two closed shut-off devices.
  • Fig. 3 shows the exhaust system according to the invention with a closed and an open obturator.
  • Fig. 4 shows the exhaust system according to the invention with two open
  • Fig. 1 shows an end portion of an exhaust system 1 according to the invention for an internal combustion engine, not shown, with at least a first and a second cylinder, also not shown.
  • the first and the second cylinder are representative of cylinder groups of the internal combustion engine.
  • the first cylinder is a first exhaust pipe 2 and the second cylinder is associated with a second exhaust pipe 3. Further, the first exhaust pipe 2, a first muffler 4 and the second exhaust pipe 3, a second muffler 5 is assigned.
  • a second damping pipe 3 ' branches from the first exhaust pipe 2 upstream of a first obturator 6 from a first damping tube 2 ', which is guided by the first muffler 4 and flows into the second exhaust pipe 3 downstream of a second obturator 7 and that of the second exhaust pipe 3 upstream of the second obturator 7, a second damping pipe 3 'branches off, which is guided through the second silencer 5 and opens into the first exhaust pipe 2 downstream of the first obturator 6.
  • Flow directions of the exhaust gas are shown in FIGS. 2 to 4, which are shown by arrows.
  • the first damping tube 2 'and the second damping tube 3' in the volume of the first muffler 4 and in the region of the second muffler 5 a perforation 11 for emitting sound emissions in the muffler 4, 5 for frequency-selective damping the sound pressure level.
  • the first and the second obturator 6, 7 is an exhaust valve, in other embodiments, it may also be for example rollers.
  • the first and the second muffler 4, 5 are arranged in a common housing 8 for the sake of common parts. In another embodiment, they may also have more expensive, separate housings.
  • the first damping tube 2 'in the present exemplary embodiment has a first resonator chamber 9 and the second damping tube 3' is assigned a second resonator chamber 10.
  • An acoustic coupling between the first damping tube 2 'and the first resonator chamber 9 or the second damping tube 3' and the second resonator chamber 10 takes place in each case by a Helmholtz resonator numbered 12.
  • the first and second resonator chambers 9, 10 are integrated into the common housing 8.
  • the resonator chambers 9, 10 can also be represented in separate housings.
  • the first and second resonator chambers 9, 10 can also be designed as reflection chambers.
  • the muffler housing 8 can be implemented, for example, as a cost-effective coil damper or in shell construction. When implemented as a winding damper, the two side parts can be designed as a common part. In shell construction, the upper and lower shell can each be made as a common part.
  • the exhaust pipes 2, 3 (FIG. 1, region a) can be manufactured and installed as equal components.
  • the Y-branch elements of the exhaust pipes to the damping tubes can be implemented for example as an IHU molding (hydroforming). It can thus be used as a common part before and after the shut-off elements 6, 7 and on both sides of the muffler 4, 5.
  • the required partitions for both sides can also be implemented as a common part.
  • the identical mounting device can be used for the pre-assembly of the Y-branch elements and the shut-off elements 6, 7 for both sides of the exhaust system 1.
  • Figures 2 to 4 show the same Abgasaniage as Fig. 1, but without the first and the second resonator chamber 9, 10, which may also be designed as a reflection chambers.
  • FIG. 2 shows the exhaust system 1 according to the invention with a setting for a first operating method, wherein the first and the second shut-off elements 6, 7 are closed.
  • a maximum sound attenuation for the exhaust system 1 is achieved.
  • a flow direction of the exhaust gas is indicated by arrows.
  • Fig. 3 shows the exhaust system 1 according to the invention with a setting for a second operating method, wherein the first obturator 6 is closed and the second obturator 7 is opened.
  • a setting for a second operating method wherein the first obturator 6 is closed and the second obturator 7 is opened.
  • Fig. 4 shows the exhaust system 1 according to the invention with a setting for a third operating method, wherein the first and the second obturator 6, 7 are open.
  • a minimum sound attenuation for the exhaust system 1 is achieved.
  • the main exhaust gas flow is again shown by thick arrows, a weakened exhaust gas flow is shown by thin arrows.
  • the exhaust system 1 according to the invention has a very advantageous construction with regard to the exhaust backpressure.
  • one or both shut-off elements 6, 7 can also be closed at the same time without a substantial increase in the exhaust backpressure.
  • As exhaust valves a minimum or hardly measurable throttling (increase in the exhaust back pressure), since the entire exhaust gas and Damping tube volume is used to the end of the exhaust system 1.
  • the shut-off valves 6, 7 can also be switched in time to improve a subjective hearing impression during the switching phase.
  • the staggered switching of the two shut-off elements 6, 7 can be reduced to conspicuous, acoustic level jumps in an advantageous manner.
  • the very low exhaust backpressure of the exhaust system 1 due to the embodiment according to the invention has a very positive effect.
  • the volumes of the first muffler 4 and the second muffler 5 can also be subsequently changed.
  • one or more possibly necessary resonator chambers 9, 10, also designed as reflection chambers, can be integrated into the exhaust system 1 in a simple manner without great expense while maintaining the symmetry.

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Exhaust Silencers (AREA)

Abstract

L'invention concerne un système d'échappement (1) pour un moteur à combustion interne. Ce système est pourvu d'au moins un premier et un deuxième cylindre, un premier tuyau d'échappement (2) étant associé au premier cylindre et un deuxième tuyau d'échappement (3) étant associé au deuxième cylindre. Un premier silencieux (4) est associé au premier tuyau d'échappement (2) et un deuxième silencieux (5) est associé au deuxième tuyau d'échappement (3). Un premier tuyau d'amortissement (2'), lequel est guidé à travers le premier silencieux (4) et débouche dans le deuxième tuyau d'échappement (3) en aval d'un deuxième organe d'arrêt (7), bifurque du premier tuyau d'échappement (2) en amont d'un premier organe d'arrêt (6). Un deuxième tuyau d'amortissement (3'), lequel est guidé à travers le deuxième silencieux (5) et débouche dans le premier tuyau d'échappement (2) en aval du premier organe d'arrêt (6), bifurque du deuxième tuyau d'échappement (3) en amont du deuxième organe d'arrêt (7). Le mode de réalisation de l'invention permet de réduire à un minimum la pression des gaz d'échappement dans le système d'échappement.
EP14719765.1A 2013-06-05 2014-04-28 Système d'échappement pour moteur à combustion interne et procédé permettant de faire fonctionner le système d'échappement Active EP3004577B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102013210464.2A DE102013210464A1 (de) 2013-06-05 2013-06-05 Abgasanlage für eine Brennkraftmaschine und Verfahren zum Betreiben der Abgasanlage
PCT/EP2014/058541 WO2014195062A1 (fr) 2013-06-05 2014-04-28 Système d'échappement pour moteur à combustion interne et procédé permettant de faire fonctionner le système d'échappement

Publications (2)

Publication Number Publication Date
EP3004577A1 true EP3004577A1 (fr) 2016-04-13
EP3004577B1 EP3004577B1 (fr) 2018-04-18

Family

ID=50588707

Family Applications (1)

Application Number Title Priority Date Filing Date
EP14719765.1A Active EP3004577B1 (fr) 2013-06-05 2014-04-28 Système d'échappement pour moteur à combustion interne et procédé permettant de faire fonctionner le système d'échappement

Country Status (5)

Country Link
US (1) US9945280B2 (fr)
EP (1) EP3004577B1 (fr)
CN (1) CN105164381B (fr)
DE (1) DE102013210464A1 (fr)
WO (1) WO2014195062A1 (fr)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102015007767A1 (de) * 2015-06-18 2016-12-22 Dr. Ing. H.C. F. Porsche Ag Schalldämpfer für eine Abgasanlage eines Kraftfahrzeugs, Abgasanlage und Kraftfahrzeug
DE102015211460A1 (de) 2015-06-22 2016-12-22 Bayerische Motoren Werke Aktiengesellschaft Abgasanlage
HUE041635T2 (hu) * 2015-07-16 2019-05-28 Akrapovic D D Kipufogó rendszer
DE102015122036A1 (de) * 2015-12-16 2017-06-22 Fischer Rohrtechnik Gmbh Drosselklappenanordnung für einen Abgasstrang oder einen Zuluftstrang eines Verbrennungsmotors
CN109899132A (zh) * 2017-12-11 2019-06-18 郑州宇通客车股份有限公司 排气管后处理器及车辆
DE102018104239A1 (de) 2018-01-22 2019-07-25 Eberspächer Exhaust Technology GmbH & Co. KG Schalldämpfer
US11293664B2 (en) * 2018-03-06 2022-04-05 Gulfstream Aerospace Corporation Dual tube silencer for separate gas flows
US10596898B2 (en) * 2018-05-07 2020-03-24 Tenneco Automotive Operating Company Inc. Muffler assembly including a center muffler and two satellite mufflers
US10584626B2 (en) 2018-05-07 2020-03-10 Tenneco Automotive Operating Company Inc. Muffler assembly including a center muffler and two satellite mufflers
US10767543B2 (en) * 2018-07-20 2020-09-08 Tenneco Automotive Operating Company Inc. Reduced length exhaust system with valve
US11746688B1 (en) 2018-10-27 2023-09-05 David Akiba Borla Cross-pipe exhaust assembly
US11326501B2 (en) * 2018-10-27 2022-05-10 David Akiba Borla Cross-pipe exhaust system
WO2020247597A1 (fr) * 2019-06-07 2020-12-10 Tenneco Automotive Operating Company Inc. Système d'échappement et silencieux
US11661882B1 (en) * 2020-06-23 2023-05-30 Normand A. St. Pierre Modified exhaust system with oxygen sensor

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2723948B2 (ja) * 1988-02-18 1998-03-09 マツダ株式会社 エンジンの制御装置
US5144799A (en) * 1991-07-18 1992-09-08 Barth Randolph S Crossfire calibrated exhaust system
CA2659777C (fr) 2006-08-07 2014-12-02 Zhanzhao Feng Ensemble de silencieux
DE102009032213B4 (de) 2009-07-06 2024-05-16 Dr. Ing. H.C. F. Porsche Aktiengesellschaft Abgasanlage einer Brennkraftmaschine
DE102009032215A1 (de) * 2009-07-06 2011-01-27 Dr. Ing. H.C. F. Porsche Aktiengesellschaft Abgasanlage einer Brennkraftmaschine
DE102009032214B4 (de) * 2009-07-06 2023-10-19 Dr. Ing. H.C. F. Porsche Aktiengesellschaft Abgasanlage einer Brennkraftmaschine
DE102011051690B4 (de) * 2011-07-08 2023-06-29 Dr. Ing. H.C. F. Porsche Aktiengesellschaft Steuerungseinrichtung eines Kraftfahrzeugs mit einem Geräuschübertragungssystem und einem Abgassystem
DE202012002948U1 (de) * 2012-03-23 2012-04-03 The Jekill & Hyde Company Bv Auspuffanordnung zur Verwendung mit einem Verbrennungsmotor
DE102013208946A1 (de) * 2013-05-15 2014-11-20 Bayerische Motoren Werke Aktiengesellschaft Abgasanlage für eine Brennkraftmaschine und Verfahren zum Betreiben der Abgasanlage

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See references of WO2014195062A1 *

Also Published As

Publication number Publication date
CN105164381A (zh) 2015-12-16
US20160024989A1 (en) 2016-01-28
WO2014195062A1 (fr) 2014-12-11
CN105164381B (zh) 2018-07-13
DE102013210464A1 (de) 2014-12-11
EP3004577B1 (fr) 2018-04-18
US9945280B2 (en) 2018-04-17

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